/*!The Treasure Box Library
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Copyright (C) 2009-2020, TBOOX Open Source Group.
 *
 * @author      ruki
 * @file        round.h
 * @ingroup     libm
 *
 */
#ifndef TB_LIBM_ROUND_H
#define TB_LIBM_ROUND_H

/* //////////////////////////////////////////////////////////////////////////////////////
 * includes
 */
#include "prefix.h"

/* //////////////////////////////////////////////////////////////////////////////////////
 * macros
 */
#define tb_round(x)                 ((x) > 0? (tb_int32_t)((x) + 0.5) : (tb_int32_t)((x) - 0.5))

#endif
